https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111854
--- Comment #4 from Barry Revzin <barry.revzin at gmail dot com> --- The standard says this should be ill-formed.
barry.revzin at gmail dot com via Gcc-bugs Tue, 17 Oct 2023 15:14:27 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111854
--- Comment #4 from Barry Revzin <barry.revzin at gmail dot com> --- The standard says this should be ill-formed.